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Cryptogamie, Bryologie, 2017, 38 (2): 213-222 © 2017 Adac. Tous droits réservés New and interesting records of Argentinian Ricciaceae (Marchantiophyta) and hornworts (Anthocerotophyta) Esther FUERTES a & Saúl MANZANO b* aDepartamento de Biología Vegetal I, Facultad de Biología, Universidad Complutense de Madrid. E-28040 Madrid bDepartamento de Biología Vegetal (Botánica), Facultad de Biología, Universidad de Murcia, Campus de Espinardo, E-30100 Murcia Abstract – A list of eight species belonging to Marchantiophyta (Ricciaceae) and ten species to Anthocerotophyta (Anthocerotaceae, Dendrocerotaceae, Notothyladaceae and Phymatocerotaceae) collected in several provinces of Argentina is presented. Five species are new records for the Argentinian bryophyte flora: Riccia limicola, R. weinionis, Anthoceros macounii, A. venosus and Phaeoceros microsporous. Riccia paranaensis and Ricciocarpos natans, collected in Corrientes are new reports from this province; Riccia lamellosa and R. squamata are new records from La Pampa, R. lindmanii from Misiones and Nothoceros endiviifolius from Salta. Four species are second national and provincial records: Riccia australis from Misiones, Phymathoceros bulbiculosus from Corrientes, Phaeomegaceros squamuliger from Neuquén, and Anthoceros lamellatus in Tucumán. For each species, ecology and distribution data for Argentina and South America are given. Anthocerotes / bryophytes / liverworts / distribution / ecology / South America Résumé – Une liste de huit espèces appartenant aux Marchantiophyta (Ricciaceae) et dix espèces d’Anthocerotophyta (Anthocerotaceae, Dendrocerotaceae, Notothyladaceae and Phymatocerotaceae) récoltées dans plusieurs provinces de l’Argentine est présentée. Cinq espèces sont nouvelles pour la flore bryologique de l’Argentine : Riccia limicola, R. weinionis, Anthoceros macounii, A. venosus et Phaeoceros microsporus. Riccia paranaensis et Ricciocarpos natans ont été récoltées par la première fois dans la province de Corrientes ; Riccia lamellosa, R. squamata dans la province de La Pampa, R. lindmanii dans la province de Misiones et Nothoceros endiviifolius pour la province de Salta. Cinq espèces sont récoltées pour la deuxième fois : Riccia australis pour Misiones, Phymathoceros bulbiculosus pour Corrientes Anthoceros lamellatus pour Tucumán and Phaeomegaceros squamuliger pour Neuquén. Des notes sur l’écologie et la distribution de chaque espèce sont données. Anthocérotes / bryophytes / hépatiques / distribution / écologie / Amérique du Sud *Corresponding author: [email protected] doi/10.7872/cryb/v38.iss2.2017.213 214 E. Fuertes & S. Manzano INTRODUCTION In the last checklist of liverworts and hornworts of southern-South America, published by Hässel de Menéndez & Rubies (2009), 562 taxa of Marchantiophyta and 15 taxa of Anthocerotophyta were recognized for the Argentinian bryophyte flora. The Marchantiophyta included 24 taxa of Ricciaceae, belonging to Riccia and Ricciocarpos genera; the Anthocerotophyta belonged to the next six genera, according to the nomenclature proposed by Söderström et al. (2016): Anthoceros (Anthocerotaceae), Nothoceros, Phaeomegaceros, (Dendrocerotacea), Notothylas, Phaeoceros (Notothyladaceae), and Phymatoceros (Phymatocerotaceae). As a follow-up to the last papers by Fuertes & Prada (2014) and Fuertes et al. (in press) on liverworts in Argentina, the aim of this work was to contribute to the knowledge of the Ricciaceae and hornworts of botanical and ecological interest from Argentinean Natural Reserves. MATERIALS AND METHODS This study is based on herbarium material from the next institutions: Museo Argentino de Ciencias Naturales Bernardino Rivadavia, Buenos Aires (BA), IMBIV- Museo Botánico, Córdoba, Argentina (CORD), Universidad Nacional de la Plata, Buenos Aires (LPS), Facultad de Biología, Universidad Complutense, Madrid (MACB), and Real Jardín Botánico de Madrid (MA). Also new collections were made during field expeditions carried out by the first author from 2005 to 2012, conserved at MACB. Duplicates were donated to BA, and when possible, also to MA, Missouri Botanical Garden (MO) and New York Botanical Garden (NY). The fieldwork covered mainly three phytogeographic areas: Amazonic and Chaqueño Domains, both of which are part of the Neotropic Region and the Subantarctic Domain included in the Austral Region (Cabrera, 1976). The main vegetation types in the Neotropic Region are constituted by the montane subtropical evergreen forest (the yungas) located in northwestern Argentina (Salta and Tucumán provinces), the Atlantic evergreen-rain forests located in the northeast (Corrientes and Misiones provinces), and the subtropical evergreen-mixed forests and scrublands towards the interior of Argentina (Córdoba and La Pampa provinces). In the Austral Region, two vegetation types are observed: the evergreen valdivian hyperhumide-temperate forests and the evergreen Nothofagus betuloides (Mirb.) Oerst. forests towards the western side of Argentina (Neuquén province), and the evergreen N. betuloides forests and the deciduous N. pumilio (Poepp. & Endl.) Krasser and N. antarctica (G. Forst.) Oerts. forests of the south of Argentina (Tierra del Fuego province) (Pisano & Dimitri, 1973; Veblen et al., 1996). The list of species is presented in alphabetical order of families within the two major groups. Systematics and nomenclature follow Crandall-Stotler et al. (2008), Renzaglia et al. (2008) and Söderström et al. (2016). Taxa were identified following Jack & Stephani (1895), Müller (1955), Jovet-Ast (1978, 1991, 1993), Hässel de Menéndez (1962, 1989, 1990), Yano (1989), Schuster (1992a, b), Hasegawa (1994), Gradstein & Pinheiro da Costa (2003), Stotler et al. (2005), Duff et al. (2007), and Villarreal et al. (2007, 2010). Nomenclature of vascular plants follows the IPNI (The International Plant Name Index (2015). New and interesting Argentinian Ricciaceae and hornworts 215 For each species the next information is given: 1) literature references including illustrations of the species; 2) data of the specimens studied, indicating first in bold the Argentinean province, than geographical data, habitat, collection data and herbarium voucher reference; 3) previous references and known distribution in Argentinean provinces, if any; 4) world distribution and known distribution area in South America based on literature references. RESULTS Marchantiophyta - Ricciaceae Riccia australis Steph. Illustrations: Hässel de Menéndez (1962), Jovet-Ast (1991) Misiones. Department Iguazú, Iguazú National Park, between the stations Boca del Diablo and Pozo, moist and wet soils on the margins of the Iguazu river, 101 m a.s.l., 25º36’S 54º34’W, E. Fuertes & C. Prada, 14/06/2008 (MACB 107883). Distribution in Argentina: Misiones (Jovet-Ast, 1991). Only known from a previous report in an indeterminate site, E. Vianna, 14/07/1968 (CORD 237). Second report for Misiones and Argentina. Neotropical-subtropical (Hässel de Menéndez & Rubies, 2009). Present in Argentina, Brazil, Ecuador, Peru, Uruguay and Venezuela (Jovet-Ast, 1991; Bischler- Causse et al., 2005). Riccia lamellosa Raddi Illustrations: Hässel de Menéndez (1962), Jovet-Ast (1991). La Pampa. Department Lihuel Calel, Lihuel Calel National Park, Valley of Los Angelitos, growing in scrublands of Larrea divaricata Cav. (jarilla) and Schinopsis haenkeana Engl. (orco quebracho), on sandy to gravelly, seasonally waterlogged soils on the summits of hills, growing with Riccia squamata, 382 m a.s.l., 37°58’S 65°35’W, E. Fuertes, C. Prada & T. Gallardo, 22/11/2012 (MACB 107927). Distribution in Argentina: Buenos Aires, Catamarca, La Rioja, Tucumán, (Jovet-Ast, 1991). New report for La Pampa. This species is present in the moist and warm mixed forests of the NW, and in the evergreen forests and scrublands of the moist pampa in the NE (Jovet-Ast, 1991). Subcosmopolitan (Grolle, 1983; Hässel de Menéndez & Rubies, 2009; Konstantinova et al., 1992). In South America is present in Argentina, Brazil, Colombia, Peru and Uruguay (Jovet-Ast, 1991). Riccia limicola Jovet-Ast Illustrations: Hässel de Menéndez (1962), Jovet-Ast (1993). Corrientes. Department El Empedrado, San Lorenzo stream, sandy and acidic soils, seasonally waterlogged, growing amongst Phaeoceros sp., 70 m a.s.l., 27º56’ S 58º47’W, E. Fuertes, G. Oliván & S. Jiménez, 09/09/2008 (MACB 107885). New report for Argentina. Neotropical (Jovet-Ast, 1993). The present distribution in South America is restricted to Argentina (this report) and Ecuador (Galapagos Islands) (Jovet-Ast, 1991). 216 E. Fuertes & S. Manzano Riccia lindmanii Steph. Illustrations: Hässel de Menéndez (1962), Jovet-Ast (1991). Misiones. Department Iguazú, Iguazú National Park, in the broad leaf evergreen frorest- rain-forests, route 101 pr. Andresito, on the riverbanks of Ñandú stream, loamy acidic soils, 160 m a.s.l., 25º36’S 54º34’W, E. Fuertes, G. Oliván, C. Prada & J. Herrero, 13/09/2008 (MACB 107945). Distribution in Argentina: Buenos Aires, Catamarca, Tucumán (Kühnemann, 1949, Hässel de Menéndez, 1962). New report for Misiones. Neotropical-subtropical (Hässel de Menéndez & Rubies, 2009). In South America it is known from Argentina, Brazil, Paraguay, Peru and Uruguay (Jovet-Ast, 1991). Riccia paranaensis Hässel Illustrations: Hässel de Menéndez (1962), Jovet-Ast (1993). Corrientes. Department El Empedrado, San Lorenzo stream, paranaensis sylva, in acidic sandy soils, seasonally waterlogged, growing with Phaeoceros sp., 70 m a.s.l., 27º 56’S 58º47’W, E. Fuertes, G. Oliván & S. Jiménez, 09/09/2008 (MACB 107886).
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  • Ordovician Land Plants and Fungi from Douglas Dam, Tennessee

    Ordovician Land Plants and Fungi from Douglas Dam, Tennessee

    PROOF The Palaeobotanist 68(2019): 1–33 The Palaeobotanist 68(2019): xxx–xxx 0031–0174/2019 0031–0174/2019 Ordovician land plants and fungi from Douglas Dam, Tennessee GREGORY J. RETALLACK Department of Earth Sciences, University of Oregon, Eugene, OR 97403, USA. *Email: gregr@uoregon. edu (Received 09 September, 2019; revised version accepted 15 December, 2019) ABSTRACT The Palaeobotanist 68(1–2): Retallack GJ 2019. Ordovician land plants and fungi from Douglas Dam, Tennessee. The Palaeobotanist 68(1–2): xxx–xxx. 1–33. Ordovician land plants have long been suspected from indirect evidence of fossil spores, plant fragments, carbon isotopic studies, and paleosols, but now can be visualized from plant compressions in a Middle Ordovician (Darriwilian or 460 Ma) sinkhole at Douglas Dam, Tennessee, U. S. A. Five bryophyte clades and two fungal clades are represented: hornwort (Casterlorum crispum, new form genus and species), liverwort (Cestites mirabilis Caster & Brooks), balloonwort (Janegraya sibylla, new form genus and species), peat moss (Dollyphyton boucotii, new form genus and species), harsh moss (Edwardsiphyton ovatum, new form genus and species), endomycorrhiza (Palaeoglomus strotheri, new species) and lichen (Prototaxites honeggeri, new species). The Douglas Dam Lagerstätte is a benchmark assemblage of early plants and fungi on land. Ordovician plant diversity now supports the idea that life on land had increased terrestrial weathering to induce the Great Ordovician Biodiversification Event in the sea and latest Ordovician (Hirnantian)